47 results about "Hip bone" patented technology

The invention discloses a kinematics monitoring method for rehabilitation after hip replacement, and relates to the technical field of kinematics monitoring. Comprising the following steps that monitoring elements are arranged, IMU sensor groups are arranged at hip joints and thighs, and a power module, a processor and a Bluetooth communication module are worn on a human body; data acquisition: the IMU sensor group acquires vector data of hip joints and thighs and transmits the vector data to the processor, the processor transmits the data to the PC terminal through the Bluetooth communication module, the PC terminal calculates a quadruple of hip bone angles and a quadruple of leg bone angles at the same time, then subtracts the quadruple of hip bone angles and the quadruple of leg bone angles to obtain a quadruple of relative included angles, and calibrates the quadruple of relative included angles; a plurality of standard poses in rehabilitation evaluation after hip replacement are selected as calibration references. A corresponding monitoring scheme is designed based on the multiple IMU sensors, a software and hardware system is formed, the hip joint angle of the patient is measured and calculated in real time, and a doctor is assisted in evaluating and guiding the postoperative rehabilitation exercise intensity of the patient.

The utility model relates to an exoskeleton using flexible joints for walking aiding, which comprises a waist supporting mechanism, a hip bone supporting mechanism is arranged below the waist supporting mechanism, thighbone supporting components capable of deforming are arranged on two sides of the hip bone supporting mechanism, and the top of each thighbone supporting component is connected with a wire driving mechanism. A shank supporting assembly is hinged to the bottom of the thighbone supporting assembly, a deformable flexible joint assembly is further arranged between the bottom of the thighbone supporting assembly and the linear driving mechanism, and a driving rope is connected to the surface of the flexible joint assembly. One end of the driving rope is connected to the wire driving mechanism and the other end is connected to the top of the thighbone supporting assembly of the shank supporting assembly; according to the utility model, the traction of the driving rope and the adaptability of the elastic bandage are combined to form a bimodal power-assisted mechanism. Compared with a gear / motor driving mode of a traditional rigid exoskeleton, power consumption is remarkably reduced, and motion fluency is improved.

The invention provides an X-ray-based scoliosis 3D intelligent automatic diagnosis system, which is characterized in that a spine area bounding frame coordinate, a hip bone bounding frame coordinate and a vertebral pedicle bounding frame coordinate are extracted from spine coronal image data, and the first 17 results are extracted to be matched with the number and spatial distribution of typical vertebral bodies of a human body; the method comprises the following steps: obtaining a spine region sub-graph, a hip bone region sub-graph and a vertebral pedicle region sub-graph, converting the sub-graphs into tensors to obtain a bounding box, four angular point coordinates and corresponding confidence of each vertebral body, storing the bounding box, the four angular point coordinates and the corresponding confidence as a structured record, performing Cobb angle calculation according to the structured record, and converting the structured record into an anatomical segment identifier; cutting is conducted according to the spine area, the hip bone area and the vertebral pedicle area subgraph, segmented vertebral pedicles and hip bones are obtained, the major curvature type, the pelvis height and the rotation direction are judged according to anatomical segment identifiers, and the patient age is determined according to the midpoints of the upper edges and the lower edges of the vertebral bodies, the arrangement angle of the adjacent vertebral bodies, spine major curvature core parameters and the age of the patient. And outputting a scoliosis 3D intelligent automatic diagnosis result.

This invention provides a pelvic floor support structure model and modeling method based on three-dimensional data to assist in judging the condition of pelvic floor ligaments and to perform physical simulation. To solve the above-mentioned technical problems, this invention provides the following technical solution, including: a bone structure, which includes the hip bone and the coccyx, which together form a pelvic support structure, with the inner side of the hip bone and the coccyx forming the pelvic space; an organ structure, which includes the following model structures, including models of the uterus, bladder, vagina, and rectum located in the pelvic space; and a ligament structure, which includes the cardinal uterine ligament connecting the uterus to the hip bone, the uterosacral ligament connecting the uterus to the coccyx, and the round uterine ligament, which connects one end to the upper end of the uterus and extends obliquely upward at the other end.

The present application relates to a system, method, storage medium and program product for safely monitoring the amount of bone grinding. The system includes an upper computer and a lower computer electrically connected to each other, and a motor connected to the lower computer; the motor is used to drive the motor bone grinding instrument to rotate; during the process of using the bone grinding instrument to grind the bone area to be ground in the hip bone of the test object, the upper computer performs a first monitoring of the amount of bone grinding corresponding to the area to be ground based on the first bone grinding related data sent by the lower computer; the lower computer performs a second monitoring of the amount of bone grinding corresponding to the area to be ground based on the second bone grinding related data sent by the upper computer; if the amount of bone grinding monitored by at least one of the first monitoring and the second monitoring exceeds a set threshold, the lower computer controls the motor to power off. The use of this system can improve the accuracy of the results of monitoring the amount of bone grinding.

The hip bone protection composite material with the invisible wearing feature comprises, from the impact surface to the skin surface, in sequence: a sensing enhancement layer composed of modified three-dimensional spacer fabric loaded with shear thickening fluid, the fiber surface of the three-dimensional spacer fabric is subjected to lyophobic modification treatment to form reverse capillary resistance to STF carrier liquid, and the contact angle θ is greater than or equal to 110 degrees; and a bionic buffer layer composed of artificial cartilage bionic energy absorption material and having a microporous structure; wherein the sensing enhancement layer and the bionic buffer layer are combined through dot matrix gluing or ultrasonic welding, and the edge thickness of the composite material decreases linearly or nonlinearly from the center to the periphery to form a gentle slope structure with a thick center and a thin edge. The invention combines the shear thickening technology and the bionic energy absorption technology to solve the contradiction of traditional protective equipment in the aspects of 'protection-thin-breathability', and provides an intelligent material with an ultra-thin thickness, a normal softness and an impact instantaneous hardening.

The invention provides a sacrum prosthesis which comprises a main body part used for being connected with a sacrum or a vertebral body; the first connecting block is used for being connected with a first hip bone and is spaced from the main body part; the second connecting block is connected between the main body part and the second hip bone, and the second connecting block is adjustably arranged around the horizontal axis relative to the main body part; the fixing piece is connected between the main body part and the second connecting block; the first rotation stopping part is arranged on the main body part; and the second rotation stopping part is arranged on the second connecting block, and the second rotation stopping part can be in rotation stopping fit with the first rotation stopping part. According to the technical scheme, the problem that the sacrum prosthesis is difficult to adapt to different patients in the prior art is effectively solved.

The invention relates to a method for manufacturing a hip implant (20), the method comprising the following: providing a patient information data set (72), which comprises information relating to a shape of a hip bone (10) with an acetabular defect (11), generating a shape data set (76), which comprises information relating to a target shape for a hip implant for the acetabular defect, with the target shape having an individual component (32, 38, 44, 54), the dimensions and / or arrangement of which are characterized by at least one modifiable geometry parameter, and with the generation of the shape data set comprising the definition of the at least one geometry parameter on the basis of the patient information data set, and manufacturing an individualized hip implant on the basis of the shape data set. The invention also relates to an individualized hip implant.

The application provides a hip CT image segmentation method based on deep learning. The method comprises the following steps: acquiring a hip CT image to be processed; performing coarse segmentation on the input image through a neural network segmentation positioning module to obtain coarse segmentation results of the hip bone and the femur and positioning results of the centers of left and right acetabular fossae; performing fine segmentation on the centers of the acetabular fossae through a Transformer-based fine segmentation module to obtain fine segmentation results of the acetabular fossae and the femoral head; replacing the voxel point categories under the corresponding coordinates in the coarse segmentation results with the categories of the fine segmentation results to realize the fusion of the two results and obtain the final segmentation results. Compared with the prior art, the method provided by the application simplifies the model, improves the processing capacity of interlayer information, avoids the influence of noise and artifacts, has better algorithm stability, and effectively improves the segmentation accuracy of the lesion.

This device provides a means of guiding the user's pelvis to a desired posture by applying force of the desired strength in the desired direction to the left and right hip bones. [Solution] The garment 1 comprises a main body 11 which is leggings worn by user X, a plurality of hook-and-loop fasteners 12 attached to a predetermined area of ​​the main body 11, a band 13 which is an elastic cord with one end attached to a predetermined area of ​​the main body 11, and a hook-and-loop fastener 14 attached to the inner surface of the other end of the band 13. If user X has a tendency for their left hip bone to rotate forward from a desired position, for example, they stretch the band 13 with one end attached to the area posterior to the sacrum of the main body 11, and connect the hook-and-loop fastener 14 on the back of the band 13 to the desired position of the hook-and-loop fastener 12 attached to the area between the left iliac crest and the left greater trochanter of the main body 11. As a result, user X's left hip bone is guided to rotate backward with a desired amount of tension.

The application discloses a decompression device for early postoperative training of femoral upper fracture, which comprises an upper fixing structure, a lower fixing structure and an elastic decompression supporting structure. The upper fixing structure comprises a short pants structure which is wrapped around the skin outside the hip bone and has a gap at the perineum position, and the short pants structure extends from the waist to the upper part of the thigh; a connecting structure one which is connected with the elastic decompression supporting structure is arranged at the waist position of the short pants structure. The lower fixing structure comprises a sleeve structure which is arranged and fixed above the knee joint from the lower part of the thigh; a connecting structure two which is connected with the elastic decompression supporting structure is arranged at the upper part of the sleeve structure. In the straight state of the leg, the elastic decompression supporting structure gives an upward force to the upper fixing structure and an opposite downward force to the lower fixing structure, and a walking aid is additionally arranged to reduce the activity force of the postoperative training. The above arrangement reduces the contact pressure of the hip joint, further reduces the pressure stimulation of the bone surface and guarantees the natural walking state of the postoperative activity of the patient.

The application is suitable for the medical technical field, and provides a prosthesis installation pose determination method and an electronic device. The method comprises the following steps: reconstructing a hip bone three-dimensional model and a femur three-dimensional model, virtually assembling a acetabular cup prosthesis model into a affected side acetabulum three-dimensional model in a preset initial pose; determining target pelvic tilt angles in multiple different poses; for each pose, adjusting the affected side acetabulum three-dimensional model to a corresponding target pose, controlling the femur three-dimensional model to simulate movement within a corresponding preset femur movement range, and prompting a collision area when the femur three-dimensional model and / or the femoral stem prosthesis model collides with the affected side acetabulum three-dimensional model and / or the acetabular cup prosthesis model in the target pose; adjusting the pose of the acetabular cup prosthesis model based on a pose adjustment instruction until no collision occurs in all poses, and obtaining a target installation pose of the acetabular cup prosthesis model, which can reduce the risk of postoperative prosthesis dislocation, limited joint movement and / or prosthesis wear.

Within examples, a surgical device with an embedded sensor system for performing hip replacements is described. This device mitigates fracturing of the mid metaphyseal / diaphyseal region of the femur, and ensures adequate press-fit of the component into the bone. The device relays information regarding forces experienced by the patient's bone to a separate data acquisition device and displays it on an interface. This information is used by the surgeon to determine the force present inside of the patient's bone during broaching, and can then be used to provide better care, and mitigate fractures due to overloading in the bone.

This product is a trial used in artificial joint replacement surgery. The product is attached to a trial handle, and the trial is inserted into the acetabulum located in the center of the hipbone on the outside of the pelvis to confirm the size of the femoral head.

The invention discloses a tantalum coating 3D printing acetabular cup-acetabular cushion block system, and belongs to the technical field of medical prostheses. The acetabular cushion block and the acetabular cup are firmly combined with the hip bone through screws, and the porous tantalum coating promotes bone ingrowth and achieves a better biological fixation effect. The radian of the acetabular cushion block is customized according to the bone defect position of a patient, the combination position of the acetabular cushion block and the acetabular cup can be selected, the angle can be flexibly adjusted, the acetabular cushion block is combined with the acetabular cup through a bottom adjustable lock catch, a self-locking structure is arranged, and uneven stress of the acetabular cup caused by looseness is prevented.

This invention relates to the field of sanitary products and provides a method for preparing an ergonomic triangle-style sanitary napkin, which solves the problem that existing sanitary napkins are prone to "leg binding" and poor wrapping performance due to structural design defects. The method includes an absorbent body and an outer garment layer disposed outside the absorbent body. The absorbent body is defined to have a longitudinal direction along the length direction and a transverse direction along the width direction. The outer garment layer is divided into a front piece and a back piece with the narrowest line of the crotch as the dividing line. The transverse width of the back piece is greater than that of the front piece. The front piece and the back piece are fixedly welded on their transverse sides to form a left sealing line and a right sealing line. The transverse distance between the left sealing line and the right sealing line and the most anterior protrusion of the human hip bone is 5-50mm. The longitudinal length of the back piece is greater than that of the front piece.

A method for facilitating stabilization of a sacroiliac joint is provided. The method includes surgical and stabilization techniques for implanting bone anchors or fasteners such as a first bone screw, a second bone screw, and third bone screw in a pelvis traversing portions of a coxal bone and a sacrum, and extending through or adjacent at least a portion of a corresponding sacroiliac joint. The bone anchors or fasteners such as the first bone screw, the second bone screw, and the third bone screw can be inserted at different angles and locations to form a lattice structure that serves in securing the position of a coxal bone and a sacrum relative to one another to facilitate stabilization across a corresponding sacroiliac joint.

The utility model relates to the field of repositor, in particular to a binding-force-adjustable repositor for separating pubis, pelvic bone and hipbone, which comprises a pelvic bone belt and an inflating component, the two ends of the inner side of the pelvis belt are each provided with an inflation assembly used for applying force to the pubis, the pelvis and the hipbone to tighten the pubis, the pelvis and the hipbone so as to help resetting and fixing. According to the utility model, the first adjusting belt is taken up, the connecting hook is hooked and connected along the limiting ring at a proper position to form a binding force suitable for a patient, then the first limiting belt is taken up, and the adhesive hair surface is attached and connected with the adhesive hook surface at a proper position, so that auxiliary fixation is carried out; a patient can be allowed to carry out adjustment according to own feelings and needs, so that the best comfort degree is achieved, discomfort caused by too tight or too loose constraint is reduced, meanwhile, the restorer with the adjustable constraint force can more accurately control force application to the pubis, the pelvic bone and the hipbone, and restoration and fixation of the pubis, the pelvic bone and the hipbone are better promoted.

The present application relates to the technical field of medical devices, and specifically provides a method, device, equipment and storage medium for automatically positioning and calculating the size of a hip socket. The method comprises: obtaining CT image volume data; segmenting to obtain a hip bone model and image data, and performing 2D projection under different projection directions; using a Hough circle detection method to detect circles in the 2D projections in different directions, to locate the position of the hip socket; calculating the center and radius of the hip socket to obtain the size of the hip socket. The present application automatically detects the position of the hip socket using the Hough circle detection method, and can automatically select points in the hip socket, thereby calculating the size of the hip socket. Compared with the manual point selection method of the prior art, the method provided by the present application saves manpower and time, improves the accuracy and consistency of the calculation results, and greatly facilitates the operation of doctors.

The invention relates to the field of medical repair, in particular to an acetabular bone defect repair system which comprises a moldable complex module made of a flowable composite material formed by mixing porous metal particles and bone cement according to a predetermined volume mixing ratio, and the moldable complex module is configured to be positioned in an acetabular bone defect area after being implanted, the bionic support frame module is used for providing mechanical support for the moldable complex module and the acetabular cup prosthesis; the inclusive cushion film can also be included; the bionic supporting frame module provides initial mechanical stability and has a space structure allowing the flowable composite material to permeate and be solidified, so that the bionic supporting frame module and the flowable composite material form a mechanically-interlocked integrated bearing structure. The inclusive cushion film is laid in the acetabular bone defect area, and a filling space is defined by the inclusive cushion film and the host bone. According to the acetabular cup prosthesis, the technical effects of anatomical matching and long-term biological integration of the irregular bone defect surface and the acetabular cup prosthesis are achieved.

A fracture fixation system includes an implant defining a transverse bore extending along a bore axis, the bore being defined by first and second passages that each extend along the bore axis. The fracture fixation system further includes a lag screw configured to be inserted through the second passage, wherein a distal portion of the lag screw includes a thread. The fracture fixation system further includes a bolt configured to be inserted through the first passage, wherein a lateral side of the bolt defines a negative thread adapted to receive the thread of the lag screw. The negative thread includes a transition portion configured to align the thread of the lag screw with the negative thread of the bolt.

The application provides a sacrum prosthesis, which comprises a main body part used for connecting with a sacrum or a vertebral body; a first connecting block used for connecting with a first hip bone and arranged apart from the main body part; a second connecting block connected between the main body part and a second hip bone, the second connecting block being adjustably arranged relative to the main body part around a horizontal axis; a fixing part connected between the main body part and the second connecting block; a first rotation-stopping part arranged on the main body part; and a second rotation-stopping part arranged on the second connecting block, the second rotation-stopping part being capable of rotation-stopping cooperation with the first rotation-stopping part. The technical scheme of the application effectively solves the problem that the sacrum prosthesis in the related art is difficult to adapt to different patients.

The invention provides a shank bone automatic three-dimensional modeling and entity separation method based on a DICOM image, and compared with the prior art, the shank bone automatic three-dimensional modeling and entity separation method based on the DICOM image further comprises the steps that S1, an aT-Mask is improved to automatically remove a scanning bed body; s2, based on hierarchical DOI and spatial prior step-by-step search, completing hip bone-thighbone separation, tibiofibula-foot bone separation, thighbone-tibiofibula separation and tibia-fibula separation, removing pelvis and foot bones, and outputting a target bone binary voxel sequence Mtarget; and S3, reconstructing a three-dimensional grid by adopting MarchingCubes, realizing topological closing through Laplace smoothing, regularization, M-I hole detection and local replacement, and exporting an OBJ model. The method is high in adaptability, high in segmentation precision and excellent in efficiency.

The invention provides a full hip joint skeleton model segmentation and reconstruction method based on a deep learning neural network. The method comprises the following steps: firstly, establishing a deep learning neural network model for full hip joint skeleton model segmentation; the model comprises an encoding module, a down-sampling module, a decoding module and a segmented image output module. The coding module comprises a feature extraction module, a deformable hole patch embedding module and a Patch merging module; in each down-sampling stage, a spatial dynamic self-attention module is adopted to process an input feature map, and the spatial dynamic self-attention module comprises a deformable multi-head attention module and a neighborhood multi-head attention module; establishing a training sample, and training the deep learning neural network model; identifying and segmenting the hip joint CT cross section image of the patient to be processed by using the trained deep learning neural network model; and finally, based on the segmented pelvis and femur two-dimensional image sequence, carrying out total hip joint image three-dimensional modeling through a medical image three-dimensional reconstruction technology.

A modular orthopedic implant system configured to interconnect fracture fixation implants with arthroplasty components across multiple anatomic sites. The system incorporates a clothespin-style tapered male stem and a fluted female receiver, forming a secure, fatigue-resistant mechanical interface. This docking feature enables modular coupling between trauma implants such as intramedullary nails and joint replacement constructs including total hip stems, total knee femoral components, total shoulder stems, reverse shoulder humeral components, and ankle arthroplasty tibial components. The modular configuration allows adaptability across anatomical regions, facilitating revision, limb salvage, and periprosthetic fracture stabilization.

An AI-assisted, data driven, real time posture detection system for physiotherapy, fall prevention, and / or frailty assessments. The system uses a pre-trained pose detection model and video images from multiple angles captured by multiple cameras to determine the three-dimensional locations of user joints in real time. In embodiments, the system calculates qualitative metrics (e.g., range of motion, ankle dorsiflexion, Q-angle, hip-knee-ankle alignment, gait speed, etc.) to determine whether the user has suffered or is at risk of an injury (e.g., ACL tear, patellar tendonitis, hip fracture, etc.) and / or whether a physiological condition has worsened or improved over time (e.g., after surgery or physical therapy). In some embodiments, the system constructs a digital twin of the user and displays a visual representation of the digital twin performing idealized movements (e.g., proper form for exercise or physical therapy) to provide real-time instruction and feedback to improve the physiological condition of the user.

The invention relates to the field of hip joint bone tumor replacement, in particular to an articular surface retaining type extendable proximal femur tumor prosthesis which comprises an upper femur section, a medullary cavity extension handle and an adjusting assembly, the upper femur section is used for being connected to the proximal femur, the medullary cavity extension handle is used for being connected to a femur body, and the adjusting assembly is connected between the upper femur section and the medullary cavity extension handle and can adjust the distance between the upper femur section and the medullary cavity extension handle. The adjusting assembly comprises an adjusting shaft, a locking pin, a driving shaft, a fixing nut and the like. The thighbone upper section comprises a working section, an ox horn, a fixing steel plate and a fixing nail, and a bone trabecula layer structure is arranged on part of the surface; the medullary cavity extension handle is provided with a bone filling area, a stand column and a spring column are arranged in the bone filling area, and a bone trabecula sleeve is sleeved outside the bone filling area. According to the femoral prosthesis, the technical effects that the femoral length can be effectively adjusted, the femoral prosthesis can better adapt to the physical condition of the patient, bone growth and prosthesis fixation are promoted through the design of the bone trabecula layer structure, the bone filling area and the like, and the treatment effect and the rehabilitation quality of the patient are improved are achieved.

The application provides a virtual reality-based hip arthroscopy surgery auxiliary teaching system. The virtual reality-based hip arthroscopy surgery auxiliary teaching system comprises: a first image segmentation module configured to input a hip CT image into a preset image segmentation model and output a hip bone image; a second image segmentation module configured to input a hip MRI image into the preset image segmentation model and output a hip part image; a registration fusion reconstruction module configured to determine a registration position based on first pelvis position information, first femur position information, second pelvis position information, second femur position information and soft tissue position information, perform registration, and fuse and reconstruct to obtain a hip part multi-modal information image; and a rendering display module configured to perform three-dimensional model rendering based on the hip part multi-modal information image, and perform three-dimensional space virtual display auxiliary teaching. According to the embodiment of the application, the registration position can be determined quickly and accurately, and the teaching effect is improved.

The application relates to a continuous skipping behavior detection counting method, device, equipment and medium, which comprises the following steps: identifying personnel entering a detection area when a detection function is started, and obtaining a detection state score of each frame; determining a personnel stagnation state score of each frame according to the detection state score of each frame, determining whether the personnel are in a skipping detection preparation state according to the stagnation state score, determining a first start judgment score according to the coordinates of two hip bones and the coordinates of two foot coverings when the personnel are in the skipping detection preparation state; determining a second start judgment score according to the coordinates of the two hip bones, the coordinates of two knees and the coordinates of the two foot coverings; determining a personnel start score according to the first start judgment score and the second start judgment score, determining a skipping action of the personnel according to the personnel start score, determining a center position score and a moving position score; determining a skipping judgment score; and determining the skipping times of the personnel according to the skipping judgment score.

The invention is applicable to the technical field of walking aids, and provides a rehabilitation walking aid with an auxiliary correction function, which comprises a walking aid frame body, a correction mechanism and a driving mechanism, when the correction mechanism detects that the patient has an excessive forward leaning posture, triggering is carried out, passive posture back-pushing is carried out on the chest of the patient through the back-pushing actuator, and the patient is helped to establish a correct stereoscopic impression; meanwhile, the driving mechanism is started, and the legs of the patient are assisted to do coordinated movement through lifting and swinging actions. According to the linkage mechanism, the burden of the affected limb is relieved while the bad posture is corrected, and the function upgrading from passive correction to active walking aid is achieved; on one hand, the risk that a patient topples over due to the fact that the gravity center excessively moves forwards is reduced through timely push-back correction, on the other hand, active intervention is conducted when the patient is tired, continuity of rehabilitation actions is guaranteed, aching pain is relieved through the hipbone swinging function, and safety, coordination and comfort of rehabilitation training are improved.